80results about How to "Avoid short circuit hazard" patented technology

The invention relates to a novel waste power battery full-automatic dismantling device including: 1, a loading mechanism, 2, a loading conveyer, 3, a four-station material poking mechanism, 4, material distribution conveyers, 5, cutting devices, 6, separation feeding mechanisms, 7, separators, 8, outer shell storage boxes, and 9, electric core storage boxes. Along the power battery heading direction, the loading mechanism, the loading conveyer, the four-station material poking mechanism, the material distribution conveyers, the cutting devices, the separation feeding mechanisms and the separators are successively arranged; the outer shell storage boxes and the electric core storage boxes are respectively connected with the separators. The invention also relates to a novel waste power battery full-automatic dismantling method. The device has the advantages of simple structure and high dismantling efficiency, adopts a battery mechanical dismantling way integrating electrode head end one-time cutting and electric core clipping-out, and belongs to the power battery recycling processing field.

The invention relates to a button battery and a manufacturing method therefor. The button battery comprises a shell, wherein a plurality of positive electrode plates and negative electrode plates are arranged in the shell; each positive electrode plates and each negative electrode plate are laminated to form a columnar cell; each positive electrode plates and each negative electrode plate are connected with the shell through a current collector separately; the manufacturing method for the button battery comprises the steps of coating each positive electrode plates and each negative electrode plate with an active material separately, and enabling a first current collector, connected with each positive electrode plate, to be connected with the shell through an aluminum foil; enabling a second current collector, connected with each negative electrode plate, to be connected with the shell through a copper foil; and sleeving the columnar cell with a sealing ring, and performing baking on the columnar cell, and then carrying out electrolyte injection, sealing, formation and capacity grading. The button battery adopts multiple positive electrode plates and negative electrode plates, and each positive electrode plates and each negative electrode plate are provided with tabs respectively, so that the internal resistance of the battery is reduced while the high-current discharging capability is high due to that the multiple tabs are adopted for flow guiding; and in addition, the positive electrode plates and the negative electrode plates are laminated alternately at intervals, so that the height of the battery is adjustable.

The invention relates to a side-pole multi-voltage nickel-metal hybrid battery module, which belongs to the technical field of batteries. The side-pole multi-voltage nickel-metal hybrid battery module comprises cells (5) which are fixed in a battery module shell (1), wherein a plurality of partition plates (2) are vertically arranged in the inner cavity of the battery module shell (1), the inner cavity of the battery module shell (1) is divided into a plurality of single battery cavities (3) which are sealed to one another, one cell (5) is encapsulated in each single battery cavity (3), each partition plate (2) is fixedly provided with a conductive pole (4), the cells (5) are connected with one another in series through the conductive poles (4), the cells (5) on two ends of the battery module shell (1) respectively penetrate through a positive pole (6) and a negative pole (7) of the battery module shell (1). The plurality of cells are connected with one another in series through the conductive poles, so that the cells are directly connected together inside the battery module shell, and the weight of the batter module is reduced. The side-pole multi-voltage nickel-metal hybrid battery module has the advantages of high capacity ratio, low cost, safety in use, long service life and the like.

An apparatus for monitoring a sliding contact element (10) in an electrical rotating machine, in particular a generator, includes a holder, especially a brush holder (2) and a sensor (28, 30, 68, 70, 72) for detection of a state variable of the sliding contact element (10). An evaluation unit (50) is also provided for evaluation of the state variable which is detected by the sensor (28, 30, 68, 70, 72), with signals from the sensor (28, 30, 68, 70, 72) being transmitted to the evaluation unit (50) without using wires. The wire-free transmission makes the apparatus particularly maintenance-friendly.

The invention relates to a conversion reaction-based magnesium battery with high energy density. A transition metal sulfide and / or a transition metal fluoride is used as a positive electrode material, a magnesium-lithium dual-salt solution is used as a non-aqueous electrolyte, and metal magnesium or magnesium alloy is used as a negative electrode. In the magnesium battery, the transition metal fluoride or the transition metal sulfide is used as the positive electrode material of such as magnesium-lithium hybrid battery system, the conversion reaction of the positive electrode material can be easily driven by lithium ions during the charge-discharge process, meanwhile, multi-electron conversion is achieved at a positive electrode and the negative electrode, the energy density of the positive electrode of the battery is improved to about 400 Wh / kg to the highest extent, and an energy density value can be comparable with that of a current lithium ion battery.

The invention provides a solid electrolyte composite layer and a lithium ion battery. The solid-state electrolyte composite layer comprises a near-positive-electrode-side solid-state electrolyte layer, a middle solid-state electrolyte layer and a near-negative-electrode-side solid-state electrolyte layer which are sequentially arranged in a stacked mode. The middle solid-state electrolyte layer comprises the inorganic ceramic electrolyte, the near-positive-electrode-side solid electrolyte layer comprises near-positive-electrode-side polymer with high oxidation resistance, and the near-negative-electrode-side solid electrolyte layer comprises a near-negative-electrode-side compound stable with metal lithium, so that the solid electrolyte composite layer is high in mechanical strength, and lithium dendrites are prevented from piercing the electrolyte; the requirements of high-voltage resistance of a positive electrode side and stability of a negative electrode side and metal lithium aremet, and meanwhile, the interface wettability of the solid electrolyte composite layer is good. The lithium ion battery comprises the solid electrolyte composite layer, and due to the fact that the solid electrolyte composite layer is high in mechanical strength, excellent in wettability and good in stability with positive and negative electrode interfaces, the lithium ion battery has the advantages of being small in battery internal resistance, good in cycle performance and high in safety.

The invention discloses a preparation method for a modified graphene oxide-doped solid polymer electrolyte. The preparation method specifically comprises the steps of doping the prepared modified graphene oxide into a mixed solution of polyoxyethylene and polyvinyl alcohol, then adding a perchloric acid lithium salt, performing a solution casting method, pouring the mixed solution into a polytetrafluoroethylene die, and drying the solvent at a normal temperature and in a vacuum drying oven to obtain a polymer electrolyte film. The prepared polymer electrolyte, due to the existence of ether oxygen bonds on the modified graphene oxide, can promote dissociation of the lithium salt and improve ionic conductivity of the polymer electrolyte; meanwhile, the crystalline region of polyoxyethylene can be suppressed by polyvinyl alcohol while the mechanical strength and ionic conductivity of the polymer electrolyte can be strengthened; and the prepared polymer electrolyte has relatively high ionic conductivity, relatively high mechanical strength and high safety performance.

The invention relates to a solder resist coating for a rigid-flex circuit, particularly to a solder resist coating (2) for a rigid-flex circuit board (1), containing one or more conductor tracks (13) and at least one flex area (5). The solder resist coating (2) has one or more movement gaps (6) in the flex area (2) of the circuit board (1). In addition, an electronic module is formed having at least one rigid-flex circuit board (1) with a solder resist coating (2). The invention also discloses a method for manufacturing the solder resist coating (2).

Concretely, using kernel technique of electromotor, and changing structure of motor, the disclosed magnetic conversion engine forms a new type 'high efficiency and energy saving motor, becoming magnetic converted engine. Permanent magnet is installed on rotor of electromotor. Under action of magnetic field of electric current, permanent magnetic field builds up and magnifies magnetic field of torsion so as to increase mechanical efficiency of motor. Drive system of the motor is composed of power converter, controller, and position detector. Comparing with current brushless motor, and asynchronous motor, the disclosed motor possesses higher efficiency. Features are: small size, simple structure, electricity saving, adjustable rotation speed, broad usage, and satisfying specific load and application.

The invention discloses an intelligent water dispenser capable of automatically looking for a cup opening. The water dispenser is suitable for water drinking occasions at home, images of a part undera water outlet can be collected by a camera in real time to determine whether or not an object below the water outlet is a cup for taking water. Water can flow out by pressing a water outlet switch button only when the cup is positioned below the water outlet, so that the scald risk caused by children who touch the switch button by mistake is avoided. At the same time, the images of the cup opening below the water outlet are collected by the camera, the center of the cup opening is located, and a control module installed in a water dispenser body can control a sliding rail and adjust the position of the cup, so that the water outlet faces the center of the cup opening, and hot water is prevented from spilling out. A gravity detection module installed on a water inlet can monitor the weightof a water barrel in real time, and a user can be reminded to change the water barrel in time through a voice broadcast module under the condition that there is little water. The water dispenser is user friendly in design, capable of saving electric energy and preventing scalds by mistake, low in cost, convenient to use in families and conducive to popularization.

The invention discloses a battery box. The battery box comprises a battery box body and multiple battery packs, wherein a main accommodating space which is sealed for blocking external gas is formed in the battery box body; a pressure-deformable part is arranged on the wall surface of the battery box body; one side of the pressure-deformable part is in pressure contact with the outside while the other side of the pressure-deformable part is in pressure contact with the main accommodating space; the multiple battery packs are accommodated in the main accommodating space; and after the multiple battery packs are electrically connected, the multiple battery packs extend out of the battery box body to form a positive electrode and a negative electrode. The battery box provided by the invention can adjust the pressure in the battery box and can achieve a technical effect of relieving fatigue aging.

The invention relates to a manufacturing method of a light-emitting diode, comprising the following steps of: supplying a light-emitting diode wafer, wherein the light-emitting diode wafer comprises a base plate and an epitaxial layer grown from the base plate; cutting the epitaxial layer of the light-emitting diode wafer into a plurality of mutually separated light-emitting diode chips, wherein a gap is formed between adjacent light-emitting diode chips; arranging an insulating layer in the gap positioned between the adjacent light-emitting diode chips; supplying a bottom plate, wherein a conductive adhesive is coated on the bottom plate; inversing the base plate and the light-emitting diode chips so that each light-emitting diode chip is connected with the conductive adhesive of the bottom plate, wherein the insulating layer obstructs the conductive adhesive positioned between the adjacent light-emitting diode chips; and cladding the light-emitting diode wafer by utilizing a light-transmitting material so as to obtain the light-emitting diode.

The invention relates to an integrated high-voltage electric box for a battery system. The integrated high-voltage electric box is used for installing a high-voltage electric component of the battery system therein, wherein the high-voltage electric component comprises a positive electric component, a negative electric component and a functional electric component; the electric box comprises an upper cover and an installation base; the upper cover is detachably connected to the installation base; the high-voltage electric component is arranged between the upper cover and the installation base; and one side surface, connected with the upper cover, of the installation base is provided with an installation part for installing the positive electric component, the negative electric component and the functional electric component and separating the positive electric component, the negative electric component and the functional electric component in an insulating manner. According to the electric box provided by the invention, the positive electric component, the negative electric component and the functional electric component in the high-voltage electric component of the battery system are integrated into an integral structure through the arranged installation part, so that the battery system is high in integration degree, high in space utilization ratio, small in installation space and flexible and convenient to maintain.

Provided is a shaped aluminum object for manufacturing an integrally injection-molded aluminum / resin article, an integrally injection-molded aluminum / resin article using same, and a method for manufacturing the shaped aluminum object and the article, making it possible to effectively prevent dust from being generated on the surface of a shaped aluminum object and prevent a decrease in adhesive strength and airtightness near a resin gate on a resin joining surface between the shaped aluminum object and a resin molding. A shaped aluminum object, an integrally injection-molded aluminum / resin article using the object, and a method for manufacturing the shaped aluminum object, the shaped aluminum object having protrusions that extend in cornice shapes from depressions originating from asperities formed on a surface of the shaped aluminum object, wherein each observation cross-section (100-µm width) contains 150 to 800 observation lines passing from an empty space through aluminum and into another empty space on the basis of the protrusions when a plurality of observation lines that extend in the thickness direction of the shaped aluminum object from an empty space toward the asperities on the shaped aluminum object are drawn at a spacing of 0.1 µm from each other in a cross-section that extends in the thickness direction.

The invention provides a method of using a 220V power supply to carry out on-line monitoring on an arrester resistance current. The method comprises the following steps of 1) adjusting an on-line monitoring condition through a supply voltage; 2) simultaneously, taking a PT secondary voltage and a 220V power supply voltage in a transformer substation as reference voltages and acquiring a current voltage angle phi and a real-time current voltage angle phi 1 respectively; 3) taking an acquired angle of phi-phi 1 as a constant angle, correcting constantly, and converting real-time data of the 220V power supply voltage into a PT secondary voltage real-time data; 4) through the corrected data in the step3 and a MOA current signal, converting and acquiring a voltage fundamental wave U1, a current fundamental wave peak value 1*1p and the current voltage angle phi; and 5) through the current voltage angle phi and a resistive-current fundamental wave peak value Ir1p, determining MOA performance. By using the above scheme, problems that an installation is not convenient and a short circuit risk exists when an arrester resistance current on-line monitoring system selects a PT secondary reference voltage are solved.

The invention relates to an integrated high-voltage electrical box for a battery system. The integrated high-voltage electrical box comprises an upper cover and a casing, wherein the upper cover covers the casing and is detachably connected with the casing; a high-voltage component, a positive and negative electrode input copper bar and two positive and negative electrode output copper bars are mounted in the casing, one end of the positive and negative electrode input copper bar and one end of each of the two positive and negative electrode output copper bars are connected with the high-voltage component, and the other end of the positive and negative electrode input copper bar and the other end of each of the two positive and negative electrode output copper bars are located in the upper side edge position of the casing; a plugging structure which is used for enabling the other ends of the two positive and negative electrode output copper bars and the other end of the positive and negative electrode input copper bar to be safely exposed is arranged on the peripheral side of the upper cover. One input end and two output ends are arranged on a battery case, so that the electrical box has higher compatibility and can adapt to different project demands; the high-voltage component is mounted on the casing, so that the electrical elements are high in integration degree, high in space utilization rate and flexible and convenient to maintain; the plugging structure is arranged on the upper cover, and the high voltage input and output safety of the electrical box is improved.

The invention provides a high-efficiency heat radiator for a closed-structure high-heat flux device, which comprises a liquid metal pipeline and heat radiation fins, wherein the liquid metal pipelinepasses through the heat radiation fins; and the liquid metal pipeline is filled with liquid metal capable of flowing. A driving pump is also included, and the driving pump is arranged on the liquid metal pipeline for driving the liquid metal in the liquid metal pipeline to flow. A liquid metal self-circulating cold plate is made by adopting a processing mode such as overall casting or welding, a heat absorption device, a heat radiation plate, the heat radiation fins and the liquid metal pipeline are integrated, the heat resistance of the system is reduced to the most extent, and the heat conduction efficiency is high; and the heat conductivity of the liquid metal is much higher than that of water, air and multiple non-metallic media, and thus, the liquid metal heat radiator can achieve more efficient heat transport and extreme heat radiation ability than traditional water cooling.

The invention provides an air battery case and an injection molding method thereof. The air battery case comprises a case body formed by fusion-welding two monolithic case bodies and provided with a set accommodating space, and the monolithic case bodies are polyethylene case bodies, polypropylene case bodies or ABS (Acrylonitrile Butadiene Styrene) case bodies covering the periphery of an air anode. The invention also discloses the injection molding method of the air battery case and a zinc air battery using the air battery case. The invention overcomes various defects of the prior art and realizes the advantages of excellent sealing property and difficulty in leakage, so that the service life of the air battery case is further prolonged, and the safety performance is improved.

The invention relates to a guide duct heat abstractor which is applied in the computer system. The guide duct heat abstractor comprises a guide duct and at least one fan; wherein, the guide duct consists of sheet metal components and comprises an inlet and at least one outlet; the fan is fixed at the outlet by virtue of a block structure. The guide duct consists of the sheet metal components, so that the heat dissipation effect of the metal material is good; besides, the volume of the guide duct is larger, the two ends or the sides of the guide duct are provided with outlets and a plurality of fans are arranged, therefore, the heat dissipation efficiency is improved. In addition, the fans is fixed at the outlet of the guide duct by virtue of the block structure, so as to form a modular heat abstractor without using screws, therefore, the disassembly is convenient, the cost is saved, and the danger caused by short circuit of a motherboard due to the loss of the screws is avoided.

The invention discloses a laboratory-type vacuum homogenizing and emulsifying machine. The laboratory-type vacuum homogenizing and emulsifying machine comprises a machine frame, a lifting device arranged above the machine frame, a stirring pot cover arranged at one end of the lifting device, a driving motor arranged above the stirring pot cover, an emulsifying pot arranged right below the stirring pot cover, a heating device arranged on the lower part of the emulsifying pot, a pouring handle arranged on one side, near the emulsifying pot, of the machine frame, a control panel arranged on one side, away from the emulsifying pot, of the machine frame, and a water phase pot and an oil phase pot which are arranged between the emulsifying pot and the control panel, wherein the machine frame comprises a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; the emulsifying pot is arranged inside the first accommodating cavity, and is arranged inside the second accommodating cavity; and an electrical system of the control panel is arranged inside the third accommodating cavity below the second accommodating cavity. The laboratory-type vacuum homogenizing and emulsifying machine achieves an effect of dry-wet separation and is high in integration level through the accommodating cavities, so that a short circuit danger is prevented in the working process of the homogenizing and emulsifying machine, and the service life of electrical equipment is prolonged.

The invention discloses a novel lithium battery as well as a manufacturing process and application thereof, which belong to the field of batteries. The novel lithium battery comprise a cylindrical battery main body, the diameter d of the battery main body is more than or equal to 18 and less than 21 mm, and the height h of the battery main body is more than or equal to 650 mm. The battery main body comprises a shell, a battery core body arranged in the shell and electrolyte filling the shell, and a clamping ring is integrally formed in an inner cavity at the bottom of the shell. Compared withthe traditional 18650 battery, the novel lithium battery provided by the invention has the advantages that the performance is improved by setting battery capacities with different sizes, and meanwhile, the performance application on an electric tool is met.

The invention aims at providing an anti-overflow electric kettle which can avoid that water in a kettle body enters a circuit interface along the surface of the kettle body after boiling, thus improves the safety. The anti-overflow electric kettle is composed of a base and the kettle body, wherein the top surface of the base is provided with a first circuit interface, and the bottom surface of the kettle body is provided with a second circuit interface matched with the first circuit interface. The key points are as follows: the base of the kettle body is provided with a horn-mouth-like anti-overflow hood, and the second circuit interface is arranged in the anti-overflow hood. When the water in the kettle body boils, the boiled water flows down along the surface of the kettle body, and flows to the anti-overflow hood; as the anti-overflow hood covers a gap between the bottom surface of the kettle body and the bottom surface of the base, the water can not enter the gap between the bottom surface of the kettle body and the bottom surface of the base, and only can flow to the ground along the anti-overflow hood, thus avoiding the risk of short circuit when the water enters the circuit interfaces.

The invention discloses a full-sealing battery box. The full-sealing battery box comprises a box body (4), an upper cover (1), a battery pack (10) and a BMS, wherein a sealing gasket (2) and a sealing strip (3) are arranged between the box body (4) and the upper cover (1). With the technical scheme above, structure form of the box body and the upper cover of the battery box is arranged rationally and reinforced, the sealing strip and the sealing gasket are added for sealing each port of the box body of the battery box, thus, protection grade of the battery box reaches IP67 grade standard, risks of being liable to be watered and affected with damp to cause short circuit of a power source of a battery electric vehicle are overcome, and all-weather safety driving of the battery electric vehicle is realized.

The invention discloses a deck cable protection device, which comprises a first protective shell, and is characterized in that the first protective shell is movably connected to the top end of a second protective shell, the inner bottom of the first protective shell is provided with a first limit groove, the inner top of the second protective shell is provided with a second limit groove corresponding to the first limit groove, a first cable and a second cable are placed between the second limit groove and the first limit groove, the junction of the first cable and the second cable is clamped with an arc-shaped pressing plate, the top of the arc-shaped pressing plate is provided with a clamping slot, a limit head is movably connected in the clamping slot, and the middle of the first protective shell is provided with a through hole. The deck cable protection device is provided with the first protective shell and the second protective shell, the first cable and the second cable are clamped between the first limit groove and the second limit groove inside the first protective shell and the second protective shell, the deck cable protection device is pre-installed and does not need to be manufactured according to site proofing, each cable can be fixed in the corresponding limit groove, and there is no friction between the cables.

A household bus double-pole double-throw circuit breaker live safety replacement base is disclosed, the structure includes: a circuit break replacement protection box, fixed rail, earthing terminal, housing, and an outer cover, the left side surface of the circuit break replacement protection box and the left end of the fixed rail are flush and are parallel to each other, the fixed rail is fixed to the back plate of the inner wall of the housing by rivets, the outer circumference of the housing is identical to the circumference of the outer cover, the earthing terminal is arranged at the edgeof the shell and the bottom of the rail is fixed. In summary, the invention can not only save labor to separate the conductor from the circuit breaker and avoid injury, but also can protect the chuckand cooperate with the insulation and the electric energy indicator to avoid the danger of electric shock, and at the same time, more fast and firm wiring can be achieved.

The invention discloses an electric vehicle new-energy charging pile. The electric vehicle new-energy charging pile comprises a charging pile shelf body assembly, a charging assembly, a charging waterproofing assembly, an operating assembly and shelf body adjusting buttons, the charging pile shelf body assembly is arranged inside the charging waterproofing assembly, the charging assembly is installed on the side wall of the middle of the charging pile shelf body assembly, the operating assembly is installed on the other side wall of the middle of the charging pile shelf body assembly, and theshelf body adjusting buttons are arranged on the surface of one side of the charging waterproofing assembly. The electric vehicle new-energy charging pile has the advantages that the waterproof new-energy charging pile is designed, when people do not use the new-energy charging pile, the charging assembly is stored in a waterproof shell, so that the charging assembly is not exposed outside, it iseffectively prevented that the charging assembly is damaged after being exposed to weather for a long time, the risk that the charging assembly suffers from a short circuit is avoided, and the electric vehicle new-energy charging pile is safer and more reliable to use.

The invention relates to the technical field of protection for UPS (uninterrupted power supply) or EPS (emergency power supply) hosts, in particular to a method for preventing condensation of a PCB (printed circuit board) of a UPS or EPS host. The method includes steps of A, acquiring data of the temperature and the humidity of a position close to the PCB at least when the host is just started; and B, judging whether condensation of the PCB can occur or not according to the data, energizing the PCB if the condensation of the PCB cannot occur, and avoiding energizing the PCB and controlling the temperature and the humidity of the PCB if condensation of the PCB can occur. The method is implemented by constructing a functional module structure and controlling a computer system by instructions of computer programs. By the method, condensation on the PCB due to temperature rise when the UPS or EPS host and the PCB are started is prevented, and risk of short circuit of the PCB is further prevented. Besides, an integral case is not required to be detected, and temperature and humidity control for the integral case is omitted, so that energy is saved, and precise control is realized.

The invention discloses an ultrasonic lens electrode manufacturing method for effectively reducing an acoustic parasitic signal. The method comprises the following steps: processing an acoustic emission surface of a waveguide rod or block of an ultrasonic lens and related acoustic probes; manufacturing and preparing an electrode mold of a special shape according to the size of the acoustic emission surface; cleaning the acoustic emission surface of the waveguide rod or the probe block of the ultrasonic lens and related acoustic probes; preparing an electrode material with a specific shape; cleaning an evaporated ultrasonic lens or probe; mounting and fixing an ultrasonic transducer; preparing and fixing an electrode material of a corresponding polarity on the other side of the ultrasonic transducer; connecting and fixing the electrode material with a related lead; and mounting a metal sleeve for fixation and protection. By adopting the ultrasonic lens electrode manufacturing method, the parasitic signal can be effectively reduced, and the microscopy quality of an ultrasonic microscope system can be improved.